Norenburg, J.; Gibson, R.; Herrera Bachiller, A.; Strand, M. (2021). World Nemertea Database.
Cephalothrix filiformis. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=147095 on 2024-03-28
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species.
Cephalothrix filiformis. Accessed at: https://marbef.org/data../aphia.php?p=taxdetails&id=147095 on 2024-03-28